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FR2276106A1 - Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish - Google Patents

Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish

Info

Publication number
FR2276106A1
FR2276106A1 FR7422206A FR7422206A FR2276106A1 FR 2276106 A1 FR2276106 A1 FR 2276106A1 FR 7422206 A FR7422206 A FR 7422206A FR 7422206 A FR7422206 A FR 7422206A FR 2276106 A1 FR2276106 A1 FR 2276106A1
Authority
FR
France
Prior art keywords
varnish
bore
coating
plunger
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7422206A
Other languages
French (fr)
Other versions
FR2276106B1 (en
Inventor
Roger Philippe
Roger Segond
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cegedur Societe de Transformation de lAluminium Pechiney SA
Original Assignee
Cegedur Societe de Transformation de lAluminium Pechiney SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cegedur Societe de Transformation de lAluminium Pechiney SA filed Critical Cegedur Societe de Transformation de lAluminium Pechiney SA
Priority to FR7422206A priority Critical patent/FR2276106A1/en
Priority to DE19752520555 priority patent/DE2520555A1/en
Priority to BR4174/75A priority patent/BR7503261A/en
Priority to SE7506049A priority patent/SE7506049L/en
Priority to CH765875A priority patent/CH583068A5/xx
Priority to AU82197/75A priority patent/AU8219775A/en
Priority to NL7507465A priority patent/NL7507465A/en
Priority to JP50077022A priority patent/JPS5117231A/en
Priority to LU72805A priority patent/LU72805A1/xx
Priority to NO752269A priority patent/NO752269L/no
Priority to BE157680A priority patent/BE830638A/en
Priority to ZA00754095A priority patent/ZA754095B/en
Publication of FR2276106A1 publication Critical patent/FR2276106A1/en
Application granted granted Critical
Publication of FR2276106B1 publication Critical patent/FR2276106B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)

Abstract

Process for varnishing the bore of a very long Al or Al-alloy tube with a small dia. by passing varnish through the tube. The novelty is that, after injecting the varnish by a pump into the bore of the tube, the thickness of the coating is controlled and the excess varnish removed by the forced circulation in the bore of a plunger fitted with flexible or semi-rigid elements which are in contact with the varnish; the light solvents are then removed by passing compressed air downt he tube which is subsequently placed in an oven and hto-air pulled through the tube by suction to remove the rest of the solvents for recovery or disposal. The plunger is pref. a threaded rod on which flexible rings, e.g. of plastic are mounted; alternatively, a felt plunger can be used. Coating tubes 5-30 mm borer and several hundred metres long, e.g. for hot water radiators or compressed-air pipes, where the coating prevents corrosion. A uniform coating is obtd. over the entire bore without added cost w.r.t. known methods.
FR7422206A 1974-06-26 1974-06-26 Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish Granted FR2276106A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR7422206A FR2276106A1 (en) 1974-06-26 1974-06-26 Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish
DE19752520555 DE2520555A1 (en) 1974-06-26 1975-05-09 METHOD OF PAINTING THE INSIDE OF A PIPE
BR4174/75A BR7503261A (en) 1974-06-26 1975-05-23 PROCESSING FOR VARNISHING THE INTERNAL WALLS OF A LARGE ALUMINUM TUBE
SE7506049A SE7506049L (en) 1974-06-26 1975-05-27 WAY TO COVER THE INTERIOR WALLS OF AN ALUMINUM RUBBER OF LARGE LENGTH.
CH765875A CH583068A5 (en) 1974-06-26 1975-06-13
AU82197/75A AU8219775A (en) 1974-06-26 1975-06-18 The application of protective internal coatings
NL7507465A NL7507465A (en) 1974-06-26 1975-06-23 METHOD FOR PAINTING THE INTERNAL WALLS OF AN ALUMINUM PIPE OF LARGE LENGTH.
JP50077022A JPS5117231A (en) 1974-06-26 1975-06-24 Hogotoryono tofuhoho
LU72805A LU72805A1 (en) 1974-06-26 1975-06-24
NO752269A NO752269L (en) 1974-06-26 1975-06-25
BE157680A BE830638A (en) 1974-06-26 1975-06-25 PROCESS FOR VARNISHING THE INTERNAL WALLS OF A LONG-LENGTH ALUMINUM TUBE
ZA00754095A ZA754095B (en) 1974-06-26 1975-06-26 Improvements in or relating to the applicalition of protecive internal coatings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422206A FR2276106A1 (en) 1974-06-26 1974-06-26 Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish

Publications (2)

Publication Number Publication Date
FR2276106A1 true FR2276106A1 (en) 1976-01-23
FR2276106B1 FR2276106B1 (en) 1976-12-24

Family

ID=9140527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422206A Granted FR2276106A1 (en) 1974-06-26 1974-06-26 Coating the bore of very long aluminium tubes - varnish pumped down bore followed by plunger which removes excess varnish

Country Status (12)

Country Link
JP (1) JPS5117231A (en)
AU (1) AU8219775A (en)
BE (1) BE830638A (en)
BR (1) BR7503261A (en)
CH (1) CH583068A5 (en)
DE (1) DE2520555A1 (en)
FR (1) FR2276106A1 (en)
LU (1) LU72805A1 (en)
NL (1) NL7507465A (en)
NO (1) NO752269L (en)
SE (1) SE7506049L (en)
ZA (1) ZA754095B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476145A1 (en) * 1980-02-15 1981-08-21 Crans Forges Internally coating roll-bonded heat exchange panel - with thin varnish film to improve-corrosion resistance
WO2021148078A1 (en) * 2020-01-20 2021-07-29 Kipp Jens Werner Method for the thin coating of inner surfaces of through-openings

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2014611B (en) * 1978-02-17 1982-06-16 Standard T Chemical Co Inc Method and apparatus for removing excess electrophoretic material from coated interior workpiece surface
DE4137589A1 (en) * 1991-11-15 1993-05-19 Tim Gmbh Ingenieurgesellschaft Coating process for the internal surface of pipeline - with coating medium applied in viscous condition and distributed by pipe plug driven by differential pressure
JPH06102190B2 (en) * 1991-12-26 1994-12-14 株式会社日立製作所 Water purifier
JP2015199122A (en) 2014-04-01 2015-11-12 株式会社アマダホールディングス Press brake mold and hemming processing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476145A1 (en) * 1980-02-15 1981-08-21 Crans Forges Internally coating roll-bonded heat exchange panel - with thin varnish film to improve-corrosion resistance
WO2021148078A1 (en) * 2020-01-20 2021-07-29 Kipp Jens Werner Method for the thin coating of inner surfaces of through-openings

Also Published As

Publication number Publication date
AU8219775A (en) 1976-12-23
CH583068A5 (en) 1976-12-31
JPS5117231A (en) 1976-02-12
LU72805A1 (en) 1975-10-08
NL7507465A (en) 1975-12-30
DE2520555A1 (en) 1976-01-15
BE830638A (en) 1975-10-16
BR7503261A (en) 1976-07-06
SE7506049L (en) 1975-12-29
ZA754095B (en) 1976-05-26
FR2276106B1 (en) 1976-12-24
NO752269L (en) 1975-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse